CN201541391U - Lightning-protection printed circuit board - Google Patents
Lightning-protection printed circuit board Download PDFInfo
- Publication number
- CN201541391U CN201541391U CN2009202047577U CN200920204757U CN201541391U CN 201541391 U CN201541391 U CN 201541391U CN 2009202047577 U CN2009202047577 U CN 2009202047577U CN 200920204757 U CN200920204757 U CN 200920204757U CN 201541391 U CN201541391 U CN 201541391U
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- China
- Prior art keywords
- power supply
- printed circuit
- lightning
- input end
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 102000011842 Serrate-Jagged Proteins Human genes 0.000 claims description 4
- 108010036039 Serrate-Jagged Proteins Proteins 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 6
- 230000001066 destructive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a lightning-protection printed circuit board that is provided with a working circuit and a printed circuit, wherein a power supply positive input end circuit and a power supply negative input end circuit of the lightning-protection printed circuit board are mutually parallel, and the corresponding positions of the power supply positive input end circuit and the power supply negative input end circuit are respectively provided with at least one zigzag heave. In the lightning-protection printed circuit board, as the power supply positive input end circuit and the power supply negative input end circuit of the printed circuit board are arranged mutually in parallel and the corresponding positions of the power supply positive input end circuit and the power supply negative input end circuit are respectively provided with at least one zigzag heave, high voltage generated by lightning forms point discharge through the heave arranged correspondingly when lightning occurs, so that the high voltage quickly discharges electricity, the destructible high voltage does not enter the working circuit, thus reducing the damage to other electronic elements by high voltage, causing a main circuit to normally work and further realizing prevention of lightning. Compared with the prior art, the printed circuit board can improve lightning-protection effect and meanwhile is simple in structure, low in cost and convenient for arrangement.
Description
Technical field
The utility model relates to the shocking preventing technology field, particularly a kind of novel lightning protection printed circuit board (PCB).
Background technology
In the existing electronic product, be provided with anti-lightning strike device, be used to absorb the surge current voltage that thunder and lightning produces at the input of power supply.For example the power input at power supply adaptor is provided with piezo-resistance, damages power supply adaptor to prevent the current/voltage that thunder and lightning produces.But, also damaged by thunderbolt easily because the piezo-resistance cost is better.
The utility model content
The technical problem that the utility model mainly solves provides a kind of lightning protection printed circuit board (PCB), and this lightning protection printed circuit board (PCB) can absorb the high-tension electricity that thunderbolt produces, and reduces high-tension electricity to circuit damage, improves anti-lightning strike effect, and it is simple in structure, and cost is lower.
In order to address the above problem, the utility model provides a kind of lightning protection printed circuit board (PCB), this lightning protection printed circuit board (PCB), which is provided with operating circuit and printed circuit, the power supply positive-negative input end circuit of described lightning protection printed circuit board (PCB) is parallel to each other, and this power supply positive-negative input end circuit opposite position is respectively equipped with at least one zigzag projection.
Preferably, described power supply positive-negative input end circuit is the U type, and described at least one serrate projections is arranged on this U type position.
Preferably, spacing is 0.8-1.5mm between the described at least one serrate projections that is oppositely arranged.
The utility model lightning protection printed circuit board (PCB) is parallel to each other by printed circuit board power positive-negative input end circuit is made as, and this power supply positive-negative input end circuit opposite position is respectively equipped with at least one zigzag projection.When thunderbolt takes place, the convex to form point discharge of high voltage by the thunderbolt generation by being oppositely arranged, make the high voltage repid discharge, make destructive high voltage can not enter operating circuit, reducing high-tension electricity damages other electronic devices and components, make the main circuit operate as normal, thereby can realize anti-lightning strike.Compared with prior art, can improve anti-lightning strike effect, it is simple in structure simultaneously, and cost is lower, the convenient setting.
Description of drawings
Fig. 1 is the utility model lightning protection printed circuit board (PCB) one example structure schematic diagram;
Fig. 2 is another example structure schematic diagram of the utility model lightning protection printed circuit board (PCB).
Below in conjunction with embodiment, and with reference to accompanying drawing, realization, functional characteristics and the advantage of the utility model purpose is described further.
Embodiment
As shown in Figure 1, the utility model provides a kind of lightning protection printed circuit board embodiment.
Described lightning protection printed circuit board (PCB) is provided with operating circuit 3 and printed circuit, the positive source L inlet circuit 1 and the power cathode N inlet circuit 2 of described lightning protection printed circuit board (PCB) are parallel to each other, and this positive source L inlet circuit 1 is respectively equipped with at least one zigzag projection 11 and 21 with power cathode N inlet circuit 2 opposite positions.
Because novel lightning protection printed circuit board (PCB), be parallel to each other by the anodal L inlet circuit 1 of printed circuit board power is made as with power cathode N inlet circuit 2, and this positive source L inlet circuit 1 is respectively equipped with zigzag projection 11,21 with power cathode N inlet circuit 2 opposite positions.When thunderbolt takes place, the high voltage that is produced by thunderbolt is by the projection 11,21 that the is oppositely arranged discharge that tapers off to a point, make the high voltage repid discharge, make destructive high voltage can not enter operating circuit 3, reducing high-tension electricity damages other electronic devices and components, make the operating circuit operate as normal, thereby can realize anti-lightning strike.Compared with prior art, can improve anti-lightning strike effect, it is simple in structure simultaneously, and cost is lower, the convenient setting.
In the present embodiment, spacing is 0.8-1.5mm between the described zigzag projection 11,21 that is oppositely arranged, and for example, can be made as 1.5mm, 1.2mm, 1.0 or 0.8mm.Described protruding 11,21 quantity can be provided with as required, can be made as one or morely, and described protruding 11,21 quantity are many more, and then anti-lightning strike effect is good more.
As shown in Figure 2, the utility model also proposes another embodiment on the basis of the foregoing description.
Described positive source L inlet circuit 1 is the U type with power cathode N inlet circuit 2, be provided with serrate projections 11,21 in described U type position, the quantity of this projection 11,21 can be provided with as required, can be made as one or more, described protruding 11,21 quantity are many more, and then anti-lightning strike effect is good more.Other structures and annexation are same as the previously described embodiments to be repeated no more.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (3)
1. the lightning protection printed circuit board (PCB) which is provided with operating circuit and printed circuit, it is characterized in that:
The power supply positive-negative input end circuit of described lightning protection printed circuit board (PCB) is parallel to each other, and this power supply positive-negative input end circuit opposite position is respectively equipped with at least one zigzag projection.
2. according to the described lightning protection printed circuit board (PCB) of claim 1, it is characterized in that:
Described power supply positive-negative input end circuit is the U type, and described at least one serrate projections is arranged on this U type position.
3. according to claim 1 or 2 described lightning protection printed circuit board (PCB)s, it is characterized in that:
Spacing was 0.8-1.5mm between the described at least one sawtooth that is oppositely arranged was protruding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202047577U CN201541391U (en) | 2009-09-11 | 2009-09-11 | Lightning-protection printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202047577U CN201541391U (en) | 2009-09-11 | 2009-09-11 | Lightning-protection printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201541391U true CN201541391U (en) | 2010-08-04 |
Family
ID=42592838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202047577U Expired - Fee Related CN201541391U (en) | 2009-09-11 | 2009-09-11 | Lightning-protection printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201541391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106793451A (en) * | 2016-11-15 | 2017-05-31 | 智恩电子(大亚湾)有限公司 | A kind of active anti-breakdown circuit board |
| CN107394586A (en) * | 2017-06-09 | 2017-11-24 | 武汉水院电气有限责任公司 | Plate multi-chamber gap discharge electrode |
-
2009
- 2009-09-11 CN CN2009202047577U patent/CN201541391U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106793451A (en) * | 2016-11-15 | 2017-05-31 | 智恩电子(大亚湾)有限公司 | A kind of active anti-breakdown circuit board |
| CN107394586A (en) * | 2017-06-09 | 2017-11-24 | 武汉水院电气有限责任公司 | Plate multi-chamber gap discharge electrode |
| CN107394586B (en) * | 2017-06-09 | 2022-03-29 | 武汉水院电气有限责任公司 | Flat plate type multi-chamber gap discharge electrode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN NALIN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XIE DAOPING Effective date: 20101111 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20101111 Address after: Two building, two floor, Li Langping, Li Dadao, Teng Chau Industrial Park, Buji, Longgang District, Guangdong, Shenzhen 518000 Patentee after: SHENZHEN NALIN TECHNOLOGY CO., LTD. Address before: Two building, two floor, Li Langping, Li Dadao, Teng Chau Industrial Park, Buji, Longgang District, Guangdong, Shenzhen 518000 Patentee before: Xie Daoping |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20150911 |
|
| EXPY | Termination of patent right or utility model |